A rigid metallic item, generally circular. It may be formed of segmented arcs. It is designed to prevent leakage of air in an engine, gas turbine, aircraft. It may be of various cross-sectional shapes. It may have mounting facilities. It may act as a spacer but its primary function is as an air seal.
Classification: Parts of gas turbine aircraft engines, other than for use in civil aircraft
NSN 4140-01-391-1974
NSN 5935-01-076-4525
NSN 5895-01-142-9265
NSN 4140-00-193-0067
NSN 6610-00-347-7860
NSN 7035-01-138-5781
NSN 6130-01-457-6897
NSN 6320-00-116-3658
NSN 5930-00-811-2332
NSN 5945-00-365-9953
NSN 7035-01-123-8723
NSN 6240-00-144-3107